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40070895 = 3529251367
BaseRepresentation
bin1001100011011…
…0111011101111
32210101210221020
42120312323233
540224232040
63550505223
7664411524
oct230667357
983353836
1040070895
1120689947
1211505213
1383bcbb7
14547114b
1537b7cd0
hex2636eef

40070895 has 32 divisors (see below), whose sum is σ = 66769920. Its totient is φ = 20496000.

The previous prime is 40070893. The next prime is 40070903. The reversal of 40070895 is 59807004.

It is not a de Polignac number, because 40070895 - 21 = 40070893 is a prime.

It is a super-2 number, since 2×400708952 = 3211353252202050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109002 + ... + 109368.

It is an arithmetic number, because the mean of its divisors is an integer number (2086560).

Almost surely, 240070895 is an apocalyptic number.

40070895 is a deficient number, since it is larger than the sum of its proper divisors (26699025).

40070895 is a wasteful number, since it uses less digits than its factorization.

40070895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 40070895 is about 6330.1575809770. The cubic root of 40070895 is about 342.1971179924.

Adding to 40070895 its reverse (59807004), we get a palindrome (99877899).

The spelling of 40070895 in words is "forty million, seventy thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 29 87 145 251 367 435 753 1101 1255 1835 3765 5505 7279 10643 21837 31929 36395 53215 92117 109185 159645 276351 460585 1381755 2671393 8014179 13356965 40070895